CN206557364U - High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions - Google Patents
High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions Download PDFInfo
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- CN206557364U CN206557364U CN201720159100.8U CN201720159100U CN206557364U CN 206557364 U CN206557364 U CN 206557364U CN 201720159100 U CN201720159100 U CN 201720159100U CN 206557364 U CN206557364 U CN 206557364U
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Abstract
The utility model discloses high-temperature superconducting block suspension under a kind of temperature match curing conditions and the test device of guidance feature.It is made up of space positioning system, temperature control system, data collecting system.Its temperature control system temperature control process is by controlling numerical control vacuum pumping speed, liquid or fixed nitrogen surface vapor pressure in Dewar so as to control to install high-temperature superconducting block, using the liquid gas of nitrogen, solid-gas reaction absorbing and cooling temperature principle, reach accurate control superconducting block operating temperature to realize.Its temperature controlling range is in 77K 53K, and control accuracy is ± 0.1K.With reference to space positioning system and data collecting system, the utility model can measure suspension and the guidance feature of the single or multiple high-temperature superconducting blocks with different arrangement modes in 77K 53K temperature ranges.
Description
Technical field
The utility model is related to hts bulk under the conditions of high-temperature superconductor experiment special equipment, especially a kind of variable temperatures
The method of testing that material suspends with steering characteristic.
Background technology
High-temperature superconducting block and set of permanent magnets into suspension system, because of its small volume, the spy such as suspending power is big, autostability is strong
Point, is expected to be widely applied to the numerous areas such as superconducting bearing, superconduction flywheel energy storage system and high temperature superconductor magnetic levitation vehicle.
However, one side high-temperature superconductor and permanent magnet material are in prepared by production, material intrinsic defect is difficult to accurate control,
Cause its performance inevasible can meet or exceed more than 10% deviation；In addition, superconductor geomery and its row
Mode for cloth, permanent magnet various combination mode bring the change of spatial magnetic field, all by high-temperature superconductor-permanent magnet suspension system
Suspension characteristic brings significant impact.Therefore, at present can't only theoretically it is accurate calculate assess a known high-temperature superconductor-
The suspension characteristic of magnetic floating system forever.
On the other hand, high temperature superconducting materia suspendability additionally depends on operating temperature.The reduction of usual operating temperature causes
High temperature superconducting materia suspendability is raised.Meanwhile, from the point of view of the existing data, when operating temperature is less than 53K, temperature enters one
Step reduction is no longer obviously improved the suspendability of high temperature superconducting materia.
Therefore, in terms of two more than, it is super to high temperature between 53K in liquid nitrogen temperature 77K to evaluate to set up test device
Permanent magnet suspension characteristic is led to be very important.
However, high-temperature superconducting magnetic levitation characteristic measuring system under existing varying temperature environment, is realized using refrigeration machine.Its
Have the disadvantage：One side refrigeration plant cost is higher, and volume is larger；On the other hand, because actual suspension system is to make full use of magnetic
Track surface magnetic field, the Dewar bottom for placing superconduction block material is relatively thin, to reduce the spacing between superconduction block material and track.This will cause Du
Watt heat-insulating property declined, and cause in the case of the complexity arrangement of many superconducting blocks, temperature-fall period is slow and difficult, it is difficult to right
Abundant evaluation is made in the performance of suspension system at different temperatures.
Utility model content
The purpose of this utility model is to provide one kind based on high-temperature superconducting block suspension characteristic under condition of different temperatures and led
To the test device of characteristic.Enable fast cooling to assigned temperature, measure in liquid nitrogen temperature or less than liquid nitrogen temperature
High-temperature superconducting block suspension characteristic and steering characteristic in the range of one, so as to be the design of high-temperature superconductor-permanent magnet suspension system, system
Make and provide reliable experimental basis with applying.
The technical solution adopted in the utility model：
High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions, by space positioning system, temperature
Spend control system, data collecting system to constitute, the composition of temperature control system is：Bleeding point 9, liquid nitrogen are set respectively on Dewar 17
Add mouth closure 10, gas vent 12 and temperature acquisition mouth 11；The thermometric lead 3 of low-temperature sensor 18 passes through temperature acquisition mouthful 11
It is connected with the numerical control vavuum pump 4 being fixed on base 27；Numerical control vavuum pump 4 is connected by exhaust tube 1 with bleeding point 9；It is tested
Superconducting block 19 is arranged in the bottom of vacuum dewar 17, and superconducting block is placed around low-temperature sensor 18；Numerical control is adjusted by closed loop feedback
The pumping speed of vavuum pump 4 is to control liquid or fixed nitrogen surface vapor pressure, so as to control superconducting block 19 to work in design temperature.Pass through Dewar method
Superconducting block 19 is arranged in the bottom of vacuum dewar 17 by orchid 16, and is placed around low-temperature sensor 18 in superconducting block；Divide on Dewar 17
Bleeding point 9, liquid nitrogen addition mouth closure 10, gas vent 12 and temperature acquisition mouthful 11 are not installed；The thermometric of low-temperature sensor 18
Lead 3 is connected by temperature acquisition mouthful 11 with the numerical control vavuum pump 4 being fixed on base 27；Numerical control vavuum pump passes through exhaust tube 1
It is connected with bleeding point 9, thus constitutes using control liquid fixed nitrogen vapour pressure to control the temperature of superconduction block material operating temperature in Dewar
Control system.
Further, the utility model space positioning system is configured to：Horizontal direction servomotor 2 is fixed in the horizontal direction
The left end of mechanical arm 15, drives the Dewar 17 being connected with horizontal direction sliding block 13, to determine Dewar by horizontal conveyor screw mandrel 14
17 horizontal direction positions；Vertical direction servomotor 5 is fixed on the top of vertical direction mechanical arm 6, passes through vertical-transmission screw mandrel 7
The horizontal direction mechanical arm 15 of the connection of driving vertical direction sliding block 8 does vertical direction movement, to determine the vertical direction of Dewar 17 position
Put；By the relative position for both horizontally and vertically moving regulation superconducting block 19 and tracks of permanent magnetism 24.
Further, the utility model guidance feature data collecting system is configured to：Tracks of permanent magnetism 24 is fixed on supporting plate 25
On, supporting plate 25 is fixed on sliding block 20, and sliding block 20 is slidably connected with horizontal guide rail 21, and is connected with being oriented to force snesor 26 and fixing
Connect；Horizontal guide rail 21 is fixedly connected with being oriented to force snesor 26 with fixed mount 22；Fixed mount 2 is slided with upright slide rail 23 to be connected
Connect, be fixedly connected with suspension force snesor 28；Upright slide rail 23 is fixedly connected with suspension force snesor 28 with base 27；Data
Collector 30 is connected with being oriented to force snesor 26 and suspension force snesor 28 respectively by lead 29, thus constitutes data acquisition
System.
Using system architecture of the present utility model, superconducting block 19 and tracks of permanent magnetism 24 are adjusted by space positioning system
Relative position, and the pumping speed of numerical control vavuum pump 4 is adjusted to control liquid or fixed nitrogen surface vapor pressure by closed loop feedback, so as to control to surpass
Guide block 9 works in design temperature, while measuring the suspension between collection superconducting block 19 and tracks of permanent magnetism 24 by data collecting system
With guidance feature data.
It is that vacuum dewar is connected with numerical control vavuum pump 4 specifically in temperature control system during actual temperature control
17, in 77K-64K temperature ranges, with closed loop feedback control vacuum pumping speed, so as to control liquid nitrogen evaporation rate, utilize liquid-gas
Decalescence temperature-fall period, reaches that control superconduction block material works between 77K-64K the purpose for being arbitrarily designated temperature；When temperature is low
When 64K, Liquid-solid Transition, which occurs, for liquid nitrogen turns into fixed nitrogen.By closed loop feedback control vacuum pumping speed, fixed nitrogen surface sublimation is adjusted
Vapour pressure, so as to reach that control superconduction block material works between 64K-53K the purpose for being arbitrarily designated temperature.
Compared with prior art, the beneficial effects of the utility model are：
First, the utility model device has temperature regulating device is simple, cost is low, cooling rate is fast, temperature control precision is high (can
Reach ± 0.1K) the features such as.Effective operating temperature that its temperature control interval has been fully contemplated by existing high-temperature superconducting block is interval.
2nd, the utility model device maximum can gather under the conditions of different arrangements the suspension of high-temperature superconducting block simultaneously and lead
To the mechanics numerical value of two different dimensions of power, it is easy under same group of experimental situation, the contrast of different dimensions correlation mechanics data volume
With analysis.
3rd, the utility model device can carry out different arrangements in Dewar to a number of high temperature super block material, so that
Under the conditions of can obtaining different arrangement mode of different temperatures, high-temperature superconducting block etc., the suspension of high-temperature superconductor-permanent magnet suspension system
The related data of characteristic and steering characteristic.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Accompanying drawing 1 is the schematic device of embodiment of the present utility model.
Embodiment
Embodiment
Embodiment one：The method of testing of high-temperature superconducting block suspension and guidance feature during liquid nitrogen temperature
A. the quantity and arrangement mode of the superconducting block 19 in Dewar 17 are set by Dewar flange 16；
B. horizontal direction servomotor 2 is started so that horizontal conveyor screw mandrel 14 drives horizontal direction sliding block 13 so that Dewar
17 move in the horizontal direction, and set the horizontal direction initial position of experiment；
C. vertical direction servomotor 5 is started so that the vertical-transmission screw mandrel 7 of vertical direction servomotor 5 drives vertically
Direction sliding block 8, and Dewar 17 is moved in vertical direction, so as to set the vertical direction initial position of experiment；
D. it is monitored by 11 pairs of superconduction deblocking temperatures of temperature acquisition mouthful；
E. vent valve 12 is opened, and opens liquid nitrogen addition mouth closure 10 liquid nitrogen, and field 5-10 points is injected into Dewar 17
Clock.Data acquisition unit 30 is opened with simultaneously to suspending power and guiding force real time data acquisition；
F. horizontal direction servomotor 2 is started so that the horizontal conveyor screw mandrel 14 of horizontal direction servomotor 2 drives water
Square to sliding block 13 so that Dewar 17 is moved in the horizontal direction, and reaches the horizontal service position of superconducting block 19；
G. vertical direction servomotor 5 is started so that the vertical-transmission screw mandrel 7 of horizontal direction servomotor 5 drives vertically
Direction sliding block 8 so that Dewar 17 is moved in vertical direction, determines the vertical operating position of superconducting block 19；
H. leading under assigned temperature is obtained by being oriented to force snesor 26 and suspension force snesor 27 and data acquisition unit 30
To power and suspension force data, so as to complete suspension and guidance feature measurement of the superconducting block 19 under liquid nitrogen temperature.
Embodiment two：Less than the high-temperature superconducting block suspension in a certain scope of liquid nitrogen temperature and the method for testing of guidance feature
A. the quantity and arrangement mode of the superconducting block 19 in Dewar 17 are set by Dewar flange 16, in numerical control vavuum pump 4
Upper setting experimental temperature；
B. horizontal direction servomotor 2 is started so that the horizontal conveyor screw mandrel 14 of horizontal direction servomotor 2 drives water
Square to sliding block 13 so that Dewar 17 is moved in the horizontal direction, and sets the horizontal direction initial position of experiment；
C. vertical direction servomotor 5 is started so that the vertical-transmission screw mandrel 7 of vertical direction servomotor drives vertical side
To sliding block 8 so that Dewar 17 is moved in vertical direction, the vertical direction initial position of experiment is set；
D. it is monitored by 11 pairs of experimental temperatures of temperature acquisition mouthful, opening data acquisition unit 30 to guiding force and hangs simultaneously
Buoyancy is gathered in real time；
E. vent valve 12 is opened, and opens liquid nitrogen addition mouth closure 10 and injects liquid nitrogen into Dewar 17 to cool down superconducting block
Material 19；Liquid nitrogen addition mouth closure 10 is closed, vent valve 12 is closed, and open numerical control vavuum pump 4 so that low-temperature sensor 18
The temperature stabilization value of return is consistent with design temperature, and field is cold 5-10 minutes；
F. horizontal direction servomotor 2 is started so that the horizontal conveyor screw mandrel 14 of horizontal direction servomotor 2 drives water
Square to sliding block 13 so that Dewar 17 is moved in the horizontal direction, and reaches the horizontal service position of superconducting block 19；
G. vertical direction servomotor 5 is started so that the vertical-transmission screw mandrel 7 of vertical direction servomotor 5 drives vertically
Direction sliding block 8 so that Dewar 17 is moved in vertical direction, reaches the vertical operating position of superconducting block 19；
H. obtain outstanding under assigned temperature by being oriented to force snesor 26 and suspension force snesor 28 and data acquisition unit 30
Buoyancy and guiding force data, so as to complete the suspension and guidance feature measurement of superconducting block 19 at a set temperature.
Claims (3)
1. high-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions, by space positioning system, temperature
Control system, data collecting system are constituted, it is characterised in that the composition of temperature control system is：Dewar is set respectively on (17)
Bleeding point (9), liquid nitrogen addition mouth closure (10), gas vent (12) and temperature acquisition mouthful (11)；The survey of low-temperature sensor (18)
Warm lead (3) is connected by temperature acquisition mouthful (11) with the numerical control vavuum pump (4) being fixed on base (27)；Numerical control vavuum pump
(4) it is connected by exhaust tube (1) with bleeding point (9)；Tested superconducting block (19) is arranged in vacuum dewar (17) bottom, superconducting block
It is placed around low-temperature sensor (18)；Numerical control vavuum pump (4) pumping speed is adjusted by closed loop feedback to control liquid or fixed nitrogen surface to steam
Vapour pressure, so as to control superconducting block (19) to work in design temperature.
2. high-temperature superconducting block suspension and the test device of guidance feature under temperature match curing conditions according to claim 1, it is special
Levy and be, the space positioning system is：The left end of the fixed mechanical arm (15) in the horizontal direction of horizontal direction servomotor (2),
The Dewar (17) being connected with horizontal direction sliding block (13) is driven by horizontal conveyor screw mandrel (14), to determine Dewar (17) level side
To position；Vertical direction servomotor (5) is fixed on the top of vertical direction mechanical arm (6), is driven by vertical-transmission screw mandrel (7)
The horizontal direction mechanical arm (15) of dynamic vertical direction sliding block (8) connection does vertical direction movement, to determine Dewar (17) Vertical Square
To position；Pass through both horizontally and vertically mobile regulation superconducting block (19) and the relative position of tracks of permanent magnetism (24).
3. high-temperature superconducting block suspension and the test device of guidance feature under temperature match curing conditions according to claim 1, it is special
Levy and be, the guidance feature data collecting system is：Tracks of permanent magnetism (24) is fixed on supporting plate (25), and supporting plate (25) is fixed on
On sliding block (20), sliding block (20) is slidably connected with horizontal guide rail (21), and is fixedly connected with being oriented to force snesor (26)；Level is led
Rail (21) is fixedly connected with being oriented to force snesor (26) with fixed mount (22)；Fixed mount (22) is slided with upright slide rail (23) to be connected
Connect, be fixedly connected with suspension force snesor (28)；Upright slide rail (23) is fixed with base (27) with suspension force snesor (28)
Connection；Data acquisition unit (30) is connected with being oriented to force snesor (26) and suspension force snesor (28) respectively by lead (29),
Thus data collecting system is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159100.8U CN206557364U (en) | 2017-02-22 | 2017-02-22 | High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159100.8U CN206557364U (en) | 2017-02-22 | 2017-02-22 | High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions |
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| Publication Number | Publication Date |
|---|---|
| CN206557364U true CN206557364U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720159100.8U Expired - Fee Related CN206557364U (en) | 2017-02-22 | 2017-02-22 | High-temperature superconducting block suspension and the test device of guidance feature under a kind of temperature match curing conditions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646292A (en) * | 2017-02-22 | 2017-05-10 | 西南交通大学 | Testing device for suspension and guide characteristics of high-temperature superconducting bulk material under high temperature condition |
| CN109143125A (en) * | 2018-08-08 | 2019-01-04 | 西南交通大学 | Device for decimeter grade apart from upper detection high-temperature superconductor permanent magnetism weak anastomosis power |
-
2017
- 2017-02-22 CN CN201720159100.8U patent/CN206557364U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646292A (en) * | 2017-02-22 | 2017-05-10 | 西南交通大学 | Testing device for suspension and guide characteristics of high-temperature superconducting bulk material under high temperature condition |
| CN109143125A (en) * | 2018-08-08 | 2019-01-04 | 西南交通大学 | Device for decimeter grade apart from upper detection high-temperature superconductor permanent magnetism weak anastomosis power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200222 |